穿龙薯蓣根茎中花期薯蓣皂苷元含量最高为1.35%,枯萎期含量最低为1.03%。

• The content of diosgenin in the underground part of blooming time of the Dioscorea nipponica is highest as 1.35%25. The content of diosgenin in the underground part of withered time is lowest as 1.03%25.